require_once("config.inc");
require_once("util.inc");
require_once("service-utils.inc");

function usage() {
	echo "Usage: playback static_list <add|del> <interface> <ip> <mac>\n";
	echo "or\n";
	echo "Usage: playback static_list <add|del> <interface> <ip> <mac> <hostname>\n";
	echo "or\n";
	echo "Usage: playback static_list <add|del> <interface> <ip> <mac> <hostname> <description>\n";
}

global $g, $config, $argv, $command_split;

if (is_array($command_split)) {
	$args = array_slice($command_split, 2);
} else {
	$args = array_slice($argv, 3);
}

if (empty($args[0])) {
	usage();
}

$action = $args[0];
$interface = $args[1];
$ip = $args[2];
$mac = $args[3];
$hostname = $args[4];
$description = $args[5];

$mac = strtolower($mac);
preg_match('/^(add|del)$/', $action) or die(usage());
preg_match('/^[A-z0-9]+$/', $interface) or die(usage());
preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/', $ip) or die(usage());
preg_match('/^[a-f0-9]{2}\:[a-f0-9]{2}\:[a-f0-9]{2}\:[a-f0-9]{2}\:[a-f0-9]{2}\:[a-f0-9]{2}$/', $mac) or die(usage());
if(!empty($hostname)) preg_match('/^[A-z0-9\_]+$/', $hostname) or die(usage());


if(!strcmp($action, 'add'))
{
	$arr_size = count($config['dhcpd'][$interface]['staticmap']);
	for($i = 0; $i < $arr_size; $i++)
	{
		if(!strcasecmp($config['dhcpd'][$interface]['staticmap'][$i]['mac'], $mac))
		{
			die;
		}
	}
	$config['dhcpd'][$interface]['staticmap'][] = array
	(
		'mac' => $mac, 
		'ipaddr' => $ip, 
		'hostname' => $hostname, 
		'descr' => $description,
		'arp_table_static_entry' => '',
		'filename' => '', 
		'rootpath' => '', 
		'defaultleasetime' => '', 
		'maxleasetime' => '', 
		'gateway' => '',
		'domain' => '', 
		'domainsearchlist' => '', 
		'ddnsdomain' => '', 
		'ddnsdomainprimary' => '', 
		'ddnsdomainsecondary' => '', 
		'ddnsdomainkeyname' => '', 
		'ddnsdomainkeyalgorithm' => '', 
		'ddnsdomainkey' => '',
		'tftp' => '', 
		'ldap' => '',
		'nextserver' => '', 
		'filename32' => '', 
		'filename64' => '', 
		'filename32arm' => '', 
		'filename64arm' => '', 
		'uefihttpboot' => '', 
		'numberoptions' => ''
	);
	system("/usr/sbin/arp -S " . escapeshellarg($ip) . " " . escapeshellarg($mac));
}

if(!strcmp($action, 'del'))
{
	$arr_size = count($config['dhcpd'][$interface]['staticmap']);
	for($i = 0; $i < $arr_size; $i++)
	{
		if(!strcmp($config['dhcpd'][$interface]['staticmap'][$i]['ipaddr'], $ip) and !strcasecmp($config['dhcpd'][$interface]['staticmap'][$i]['mac'], $mac))
		{
			unset($config['dhcpd'][$interface]['staticmap'][$i]);
			system("/usr/sbin/arp -d " . escapeshellarg($ip));
			break;
		}
	}
}
parse_config(true);
write_config();